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@Polygon
R02 is designed for 68mm shell, so therefore no spacers. I think the issue may be that the interface between crank and ring is further outboard on this than the RS7 the ring is meant for, to allow space for the bearings.
I know there's some leeway with 1x chainline but 53mm+ sounds like it's pushing it.
https://www.mountainbikecomponents.co.uk/middleburn/cranks/road/r02-x-type/r02-x-type-crank-no-spider-for-68mm-bottom-bracket